//
//  OAuthViewController.swift
//  Sina
//
//  Created by 王杰 on 15/11/11.
//  Copyright © 2015年 王杰. All rights reserved.
//

import UIKit
import SVProgressHUD
import AFNetworking
class OAuthViewController: UIViewController {


    let webView = UIWebView()
    
    @objc private func close() {
    
        dismissViewControllerAnimated(true, completion: nil)
    
        SVProgressHUD.dismiss()
    }
    
    @objc private func fullAccount() {
    
        let jsString = "document.getElementById('userId').value = '15711296951' , document.getElementById('passwd').value = 'wudienan!!!';"
        
        webView.stringByEvaluatingJavaScriptFromString(jsString)
    
    }
    
    override func loadView() {
        view = webView
        webView.delegate = self
    }
    override func viewDidLoad() {
        
        setupUI()
        
        loadOauthPage()
        
    }
    private func loadOauthPage() {
    
        let urlString = "https://api.weibo.com/oauth2/authorize?" + "client_id=" + client_id + "&redirect_uri=" + redirect_uri
        let url = NSURL(string: urlString)
        let request = NSURLRequest(URL: url!)
    
        webView.loadRequest(request)
    
    }
    
    private func setupUI() {
    
    self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "关闭", style: .Plain, target: self, action: "close")
    self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "自动填充", style: .Plain, target: self, action: "fullAccount")
    
    }
    
}

extension OAuthViewController:UIWebViewDelegate {

    func webViewDidStartLoad(webView: UIWebView) {
    
        SVProgressHUD.show()
    }

    func webViewDidFinishLoad(webView: UIWebView) {
      
        SVProgressHUD.dismiss()
    }

    func webView(webView: UIWebView, shouldStartLoadWithRequest request: NSURLRequest, navigationType: UIWebViewNavigationType) -> Bool {
        
        guard let urlString = request.URL?.absoluteString else {
        
        return false
            
        }
        
        if urlString.hasPrefix("https://api.weibo.com") {
        
        return true
        }
        
        if !urlString.hasPrefix(redirect_uri) {
        
        return false
        
        }
        
        guard let query = request.URL?.query else {
        
        return false
            
        }
        
        let codeStr = "code="
        let code = query.substringFromIndex(codeStr.endIndex)
        print(codeStr)
        print(code)
        UserAccountViewModel().loadAccessToken(code) {(error)->() in
            
            if error != nil {
//                SVProgressHUD.showInfoWithStatus("网络君正在睡觉,请稍后再来")
                SVProgressHUD.showErrorWithStatus(AppErrorTip)
                return
            }

//            self.dismissViewControllerAnimated(true, completion: nil)
            self.dismissViewControllerAnimated(false, completion: { () -> Void in
                
                NSNotificationCenter.defaultCenter().postNotificationName(AppSwitchRootViewControler, object: "Welcome")
            })
        
        }
        return false
    }
    

}























